Possible ScienceDirect downtime Saturday, 3-17-12
ScienceDirect and Scopus are upgrading ?áthis weekend (March 17-18, 2012). While we expect things to go smoothly, it is possible that users may experience temporary service disruptions on these dates. If you have access problems please call us at 568-6100, and we will try to get you the article another way. More info
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